diff options
Diffstat (limited to 'source3/smbd/oplock.c')
| -rw-r--r-- | source3/smbd/oplock.c | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/source3/smbd/oplock.c b/source3/smbd/oplock.c index e92fbd43af..31cedc415e 100644 --- a/source3/smbd/oplock.c +++ b/source3/smbd/oplock.c @@ -52,19 +52,40 @@ void break_kernel_oplock(struct messaging_context *msg_ctx, files_struct *fsp) msg, MSG_SMB_KERNEL_BREAK_SIZE); } +static bool file_has_brlocks(files_struct *fsp) +{ + struct byte_range_lock *br_lck; + + br_lck = brl_get_locks_readonly(fsp); + if (!br_lck) + return false; + + return br_lck->num_locks > 0 ? true : false; +} + /**************************************************************************** - Attempt to set an oplock on a file. Always succeeds if kernel oplocks are - disabled (just sets flags). Returns True if oplock set. + Attempt to set an oplock on a file. Succeeds if kernel oplocks are + disabled (just sets flags) and no byte-range locks in the file. Returns True + if oplock set. ****************************************************************************/ bool set_file_oplock(files_struct *fsp, int oplock_type) { - if ((fsp->oplock_type == LEVEL_II_OPLOCK) - && koplocks && !(koplocks->flags & KOPLOCKS_LEVEL2_SUPPORTED)) { - DEBUG(10, ("Refusing level2 oplock, kernel oplocks don't " - "support them\n")); - return false; + if (fsp->oplock_type == LEVEL_II_OPLOCK) { + if (lp_locking(fsp->conn->params) && file_has_brlocks(fsp)) { + DEBUG(10, ("Refusing level2 oplock because of " + "byte-range locks on the file\n")); + return false; + } + + if (koplocks && + !(koplocks->flags & KOPLOCKS_LEVEL2_SUPPORTED)) { + DEBUG(10, ("Refusing level2 oplock, kernel oplocks " + "don't support them\n")); + return false; + } } + if ((fsp->oplock_type != NO_OPLOCK) && (fsp->oplock_type != FAKE_LEVEL_II_OPLOCK) && koplocks && |